User manual

86
UNI-T
®
UT4000 User Manual
RUN button …………………………………………………… 54
Mechanical specifications …………………………………… 81
Automatic setup …………………………………………… 52
Automatic measurement ……………………………………… 44
Automatic trigger …………………………………………… 33
Self calibration …………………………………………… 42
Line synchronization ……………………………………… 30
Negative pulse width ……………………………………… 29
Root mean square value ……………………………………… 45
Peak measurement …………………………………………… 35
Peak-to-peak ………………………………………………… 45
Acquiring single signals ……………………………………… 54
Recall …………………………………………………… 39
Range adjustment …………………………………………… 19
Delayed measurement ……………………………………… 45
Channel setup ………………………………………………… 17
Channel coupling …………………………………………… 16
Pretrigger …………………………………………………… 34
Reducing signal random noise ………………………………… 55
Probe compensation …………………………………………… 8
Probe attenuation rate ……………………………………… 18
Sampling system …………………………………………… 34
Coarse tune/fine tune ……………………………………… 19
Utility functions …………………………………………… 41
Maximum …………………………………………………… 45
Minimum …………………………………………………… 45
Equivalent sampling ……………………………………………. 75
Contact us ……………………………………………………. 74
Math functions …………………………………………………. 21
Trigger level ……………………………………………………. 12
Trigger setup ……………………………………………………. 12
Trigger system …………………………………………………. 12
Holdoff …………………………………………………… 32
Trigger coupling …………………………………………… 12
Input channel ………………………………………………… 33
Interface design …………………………………………… 42
Overshoot …………………………………………………… 45
Preshoot …………………………………………………… 45
Mean …………………………………………………… 45
Amplitude ……………………………………………………. 45
Positive duty ratio …………………………………………… 45
Negative duty ratio …………………………………………… 45